EP0205754A3 - Ferromagnetic core for an inductive position sensor - Google Patents

Ferromagnetic core for an inductive position sensor Download PDF

Info

Publication number
EP0205754A3
EP0205754A3 EP86102795A EP86102795A EP0205754A3 EP 0205754 A3 EP0205754 A3 EP 0205754A3 EP 86102795 A EP86102795 A EP 86102795A EP 86102795 A EP86102795 A EP 86102795A EP 0205754 A3 EP0205754 A3 EP 0205754A3
Authority
EP
European Patent Office
Prior art keywords
position sensor
ferromagnetic core
inductive position
inductive
ferromagnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP86102795A
Other languages
German (de)
French (fr)
Other versions
EP0205754A2 (en
Inventor
Herbert Veh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETO Gruppe Technologies GmbH
Original Assignee
Elektroteile GmbH Oberuhldingen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Elektroteile GmbH Oberuhldingen filed Critical Elektroteile GmbH Oberuhldingen
Publication of EP0205754A2 publication Critical patent/EP0205754A2/en
Publication of EP0205754A3 publication Critical patent/EP0205754A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Magnetically Actuated Valves (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

Der Kern besteht aus einer aus einem Blechband aufgewickelten Hülse 12, die einen durchgehenden Schlitz 16 aufweist und auf eine nicht ferromagnetische Führungsstange reibungsschlüssig aufklemmbar ist. The core consists of a wound from a sheet metal strip Sleeve 12, which has a continuous slot 16th has and on a non-ferromagnetic guide rod is frictionally clampable.

EP86102795A 1985-03-04 1986-03-04 Ferromagnetic core for an inductive position sensor Withdrawn EP0205754A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3507585 1985-03-04
DE19853507585 DE3507585A1 (en) 1985-03-04 1985-03-04 FERROMAGNETIC MATERIAL CORE, PARTICULARLY FOR INDUCTIVE SENSORS

Publications (2)

Publication Number Publication Date
EP0205754A2 EP0205754A2 (en) 1986-12-30
EP0205754A3 true EP0205754A3 (en) 1988-09-07

Family

ID=6264139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102795A Withdrawn EP0205754A3 (en) 1985-03-04 1986-03-04 Ferromagnetic core for an inductive position sensor

Country Status (2)

Country Link
EP (1) EP0205754A3 (en)
DE (1) DE3507585A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904448A1 (en) * 1989-02-15 1990-08-16 Bosch Gmbh Robert MAGNETIC TANK
SE541400C2 (en) * 2017-02-27 2019-09-17 Sem Ab Inductive position sensor with improved plunger core design
EP3471114B1 (en) * 2017-10-14 2024-06-26 Hamilton Sundstrand Corporation Lvdt core formed of metal sheet
US10996078B2 (en) * 2017-11-10 2021-05-04 Honeywell International Inc. C-shaped cylindrical core for linear variable differential transformer (LVDT) probes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1789100A1 (en) * 1964-04-06 1973-01-11 Automatic Switch Co ELECTROMAGNETIC CORE
US3947788A (en) * 1974-09-03 1976-03-30 Spencer C. Schantz Solenoid
FR2444924A1 (en) * 1978-12-19 1980-07-18 Sandretto Spa APPARATUS FOR DETERMINING THE POSITION OF A MOBILE MEMBER RELATING TO A FIXED SUPPORT
GB2133932A (en) * 1982-12-31 1984-08-01 Int Research & Dev Co Ltd Improvements to strip wound magnetic cores

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427866A (en) * 1944-04-25 1947-09-23 Baldwin Locomotive Works Electromagnetic motion responsive device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1789100A1 (en) * 1964-04-06 1973-01-11 Automatic Switch Co ELECTROMAGNETIC CORE
US3947788A (en) * 1974-09-03 1976-03-30 Spencer C. Schantz Solenoid
FR2444924A1 (en) * 1978-12-19 1980-07-18 Sandretto Spa APPARATUS FOR DETERMINING THE POSITION OF A MOBILE MEMBER RELATING TO A FIXED SUPPORT
GB2133932A (en) * 1982-12-31 1984-08-01 Int Research & Dev Co Ltd Improvements to strip wound magnetic cores

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
INSTRUMENTS & CONTROL SYSTEMS, vol. 33, Nr. 10, Oktober 1960, Seiten 1724-1728, Pontiac, Illinois, US; W.W. WINTERS: "The linear variable differential transformer" *

Also Published As

Publication number Publication date
EP0205754A2 (en) 1986-12-30
DE3507585A1 (en) 1986-09-04

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Inventor name: VEH, HERBERT